.article-shell{width:min(900px,calc(100% - 32px));margin:0 auto}.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(24px,4vw,44px)}.article-card p{font-size:1.08rem;color:var(--muted);margin:0 0 1.2em}.article-card h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.18;color:var(--primary-strong);margin:1.55em 0 .55em}.article-card h3{font-size:1.38rem;color:var(--primary);margin:1.4em 0 .45em}.article-card ul,.article-card ol{padding-left:1.4rem;color:var(--muted);font-size:1.04rem}.article-card li{margin:.5em 0}.callout{margin:28px 0;padding:20px 22px;border-left:5px solid var(--accent);background:var(--surface-soft);border-radius:12px;color:var(--muted)}.figure{margin:34px 0}.figure img{width:100%;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);display:block;aspect-ratio:3/2;object-fit:cover}.figure figcaption{font-size:.9rem;color:var(--muted);margin-top:9px}.quick-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}.quick-item{background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;padding:15px}.quick-item strong{display:block;color:var(--primary-strong);margin-bottom:4px}.faq{margin-top:38px}.faq details{border-top:1px solid var(--line);padding:15px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:700;color:var(--primary-strong)}.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}.prev-next a{text-decoration:none;padding:18px;border:1px solid var(--line);background:var(--surface);border-radius:14px}.prev-next a:last-child{text-align:right}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.related-card{text-decoration:none;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}.related-card img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}.related-card div{padding:15px}.related-card strong{color:var(--primary-strong);display:block;line-height:1.25}.related-card span{color:var(--muted);font-size:.9rem}.safety-note{background:#fff7ed;border:1px solid #fdba74;color:#7c2d12;border-radius:14px;padding:18px 20px;margin:24px 0}.dark-note{background:color-mix(in srgb,var(--hero-b) 88%,white);color:#f5f5f4;border-radius:14px;padding:18px 20px;margin:24px 0}.dark-note strong{color:white}@media(max-width:760px){.quick-list,.prev-next,.related-grid{grid-template-columns:1fr}.prev-next a:last-child{text-align:left}}